Related Experiment Video
Updated: Jul 1, 2025
06:59
A Novel Approach for the Administration of Medications and Fluids in Emergency Scenarios and Settings
Published on: November 9, 2016
30.5K
A Case Report of Hemolytic Hyponatremia
Santiago Manrique-Castaño1, Luisa Rodríguez-Rosero2, Raúl Vallejo-Serna2
1Internal Medicine, Hospital Universitario San Jorge, Pereira, COL.
Cureus
|March 4, 2024
Summary
This case study highlights hereditary spherocytosis/elliptocytosis, a red blood cell disorder. We observed anemia improvement with increased sodium levels and hormonal replacement in a patient with hypopituitarism.
Area of Science:
- Hematology
- Endocrinology
- Genetics
Background:
- Hereditary spherocytosis/elliptocytosis is a non-immune hemolytic anemia stemming from erythrocyte membrane defects.
- This condition predisposes red blood cells to premature lysis.
- The case involves a 42-year-old woman with a complex medical history including reproductive issues and premature menopause.
Observation:
- The patient presented with altered consciousness and severe hyponatremia, diagnosed as late Sheehan syndrome (hypopituitarism).
- During hospitalization, she developed non-immune hemolytic anemia.
- A positive osmotic fragility test confirmed hereditary spherocytosis/elliptocytosis.
Findings:
- The study correlates blood hypoosmolarity as a potential trigger for hereditary spherocytosis/elliptocytosis.
- This association between hypoosmolarity and the osmotic fragility test in diagnosing this condition is novel.
- Anemia concurrently improved with rising sodium levels and initiation of hormonal replacement therapy.
Implications:
- This case suggests a potential link between hypopituitarism-induced hyponatremia and the manifestation/diagnosis of hereditary spherocytosis/elliptocytosis.
- The findings underscore the importance of considering red blood cell membrane disorders in patients with unexplained anemia and electrolyte imbalances.
- Successful management involved addressing both the endocrine deficiency and the hemolytic anemia.
Related Concept Videos
01:29Disorder of Water Balance
391
Water balance disorders are medical conditions that occur when there is a deviation from the body's water volume or osmolarity, disrupting normal homeostasis and leading todehydration, hypotonic hydration, hyperhydration, edema, or water intoxication.
Dehydration
Dehydration occurs when the body loses fluids (particularly water).
Causes:
The major causes of dehydration include excessive sweating, fever, vomiting, diarrhea, and diuresis.
Signs and Symptoms:
Symptoms primarily include intense...
Dehydration
Dehydration occurs when the body loses fluids (particularly water).
Causes:
The major causes of dehydration include excessive sweating, fever, vomiting, diarrhea, and diuresis.
Signs and Symptoms:
Symptoms primarily include intense...
391
01:25Regulation of Water Intake
500
Osmolality refers to the number of solute particles per kilogram of solvent in a solution. Plasma osmolality specifically indicates the total number of solute particles per kilogram of water in blood plasma. This value reflects the body's hydration status and is tightly regulated through mechanisms controlling water intake and output. While water consumption is a conscious decision, the body has intrinsic regulatory systems to maintain fluid balance. Dehydration, a state of water deficit...
500
01:26Regulation of Sodium and Potassium
532
The regulation of sodium and potassium ion concentrations in the human body is a complex process governed primarily by hormones such as aldosterone, antidiuretic hormone (ADH), and atrial natriuretic peptide (ANP).
Sodium Regulation
Sodium ions make up approximately 90% of extracellular cations, with a normal blood plasma concentration of 136–148 mEq/L. A decrease in blood volume and pressure triggers the release of renin from granular cells in the juxtaglomerular complex (JGC), primarily...
Sodium Regulation
Sodium ions make up approximately 90% of extracellular cations, with a normal blood plasma concentration of 136–148 mEq/L. A decrease in blood volume and pressure triggers the release of renin from granular cells in the juxtaglomerular complex (JGC), primarily...
532
01:16Tonicity in Animals
3.1K
Tonicity describes the amount of solute in a solution. The measure of the tonicity of a solution, or the total amount of solutes dissolved in a specific amount of solution, is called its osmolarity. Three terms—hypotonic, isotonic, and hypertonic—are used to relate the osmolarity of a cell to the osmolarity of the extracellular fluid that contains the cells. In a hypotonic solution, such as tap water, the extracellular fluid has a lower concentration of solutes than the fluid inside...
3.1K
01:30Alterations in Blood Pressure
1.2K
Alterations in blood pressure, such as hypertension (high blood pressure) and hypotension (low blood pressure), significantly affect human health. Understanding these conditions' classifications, causes, and symptoms is essential for effective management and treatment.
Hypertension (High blood pressure)
Hypertension occurs when blood pressure readings consistently exceed the normal range. It is diagnosed when systolic blood pressure (the top number, indicating pressure while the heart...
Hypertension (High blood pressure)
Hypertension occurs when blood pressure readings consistently exceed the normal range. It is diagnosed when systolic blood pressure (the top number, indicating pressure while the heart...
1.2K
01:24Roles of Electrolytes: Sodium and Potassium
401
Sodium plays a crucial role in maintaining fluid and electrolyte balance and overall bodily homeostasis. Sodium balance is primarily regulated by kidney function, which adjusts sodium elimination to match dietary intake and maintain proper electrolyte levels. Sodium is the most abundant cation in the extracellular fluid (ECF) and is found in salts such as sodium chloride (NaCl) and sodium bicarbonate (NaHCO3). Although cellular plasma membranes are relatively impermeable to sodium, its role in...
401